MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d31e8855bd0463e79991a7f445de36062fb457d4f1fd2f04a0e47d9873a23f7c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d31e8855bd0463e79991a7f445de36062fb457d4f1fd2f04a0e47d9873a23f7c
SHA3-384 hash: 5faa157a30c5b25b67501f8ebb6283587c9a1291afce4b593167e77c6176fb337c58c42a0f52bd80657fde333cb79e4e
SHA1 hash: 1727cac9f647c917ce637f50dce0576f90e99feb
MD5 hash: 08d93d95cd0da22b388c089408ce2d09
humanhash: crazy-virginia-enemy-diet
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:234'198 bytes
First seen:2025-09-07 13:37:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:krRNXu1srvZFPBmba8NaoJXMsDKTF47dfLhLM/R6hk+:krRNXu1sr/Ya8NaaXMsDKwJhg/4p
TLSH T1BA343A46E6414E13C0D717B9F6DF5245333397A493EB7306AA24AFB43AC779E0E22A05
telfhash t1874130f5172e92165a91de9ce9ed6ba6012ac6221342ff37ff21c0ec541a00ee539c0f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 74a12d7b2e9d9fd19449953cd81ec5c5d4da3c876310515638594754f88f69c8
File size (compressed) :82'708 bytes
File size (de-compressed) :234'198 bytes
Format:linux/arm
Packed file: 74a12d7b2e9d9fd19449953cd81ec5c5d4da3c876310515638594754f88f69c8

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Sets a written file as executable
Creating a file in the %temp% directory
Runs as daemon
Sends data to a server
Connection attempt
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin masquerade mirai obfuscated remote threat
Link:
https://www.filescan.io/uploads/68bd8c44fe1969faa8a7449c/reports/e269f39c-015c-490e-bb89-9b2c6cfa9604/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d31e8855bd0463e79991a7f445de36062fb457d4f1fd2f04a0e47d9873a23f7c
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
type:Mirai 46.38.138.58:3778
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-07T12:14:00Z UTC
Last seen:
2025-09-07T12:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d31e8855bd0463e79991a7f445de36062fb457d4f1fd2f04a0e47d9873a23f7c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/af7acae3-3601-4245-bf7a-07c2e83a6b44
Behavior Graph:
Download SVG
%3
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/977bdf3b-c3e6-465f-add4-95ca20f1203f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1772602
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d31e8855bd0463e79991a7f445de36062fb457d4f1fd2f04a0e47d9873a23f7c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d31e8855bd0463e79991a7f445de36062fb457d4f1fd2f04a0e47d9873a23f7c/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-07 13:48:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2mpiqvn5arr6pgmru72elxrwayx3iv6u6h6s6bfa4r6zq45ch56a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion persistence
Link:
https://tria.ge/reports/250907-q1ynkaaq9z/
Behaviour
Writes file to tmp directory
Modifies rc script
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135925-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/48f36788-e42a-44a3-9833-398b294f7a78
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/d31e8855bd0463e79991a7f445de36062fb457d4f1fd2f04a0e47d9873a23f7c

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 74a12d7b2e9d9fd19449953cd81ec5c5d4da3c876310515638594754f88f69c8

Mirai

elf d31e8855bd0463e79991a7f445de36062fb457d4f1fd2f04a0e47d9873a23f7c

(this sample)

  
Dropped by
SHA256 74a12d7b2e9d9fd19449953cd81ec5c5d4da3c876310515638594754f88f69c8
  
URLhaus
https://urlhaus.abuse.ch/url/3619341/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 9a3049ad9820c98841f4f7b94c081ea9

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